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High Alumina Castable

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Product: High Alumina Castable

Category:  castable

Application:  glass furnace and other industrial furnaces

Item Code: A4301

What is high alumina castable?

High alumina castable is a type of monolithic refractory made of high alumina aggregate, fine powder, and special liquid silica sol adhesive.

Application of high alumina castable refractory

High alumina castable refractory is primarily used in glass furnaces. The areas of its application mainly include the flame area (mullite brick repair), bottom paving, forehearth, regenerator bottom, side wall, flue, and other relatively low-temperature areas.

Advantages of high alumina refractory castable

The high alumina refractory castable has features such as high strength, low porosity, high density, low wear, good thermal shock resistance, and corrosion resistance. Good fluidity and plasticity make it easy to apply on the worksite.

Physical And Chemical Indicators of high alumina castable

PerformanceItemIndicators
  High alumina castable
Chemical composition after calcination(%)SiO229.0-34.0
 Al2O363.0-69.0
 Alkalis<0.4
 CaO<0.1
 Fe2O3<0.8
 TiO2<1.0
 Physical propertiesAP(%)13-16
 BD(g/cm3)2.5-2.6
 CCS(Mpa)816ºC             1400ºC30.5-40.0         82.0-113.0
 Applied limit temperatureºC1760
 Linear change on reheating(%)-0.3 ~ 0.1
 Water content(%)0

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